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A 9410-kg car is traveling at 29.7 m/s when the driver decides to exit the freeway by going up the ramp. compute the Magnitude of the average drag force exerted on the car?
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. What is the work done on the jet by the catapult
A person pulls a toboggan for a distance of 41.6 m along the snow with a rope directed 33.8 ° above the snow. How much work is done on the toboggan by the tension force
A person pushes a 17.2-kg shopping cart at a constant velocity for a distance of 24.2 m on a flat horizontal surface. Determine the work done by the pushing force
find the work done on the man by the gravitational force
The brakes of a truck cause it to slow down by applying a retarding force of 4520 N to the truck over a distance of 1150 m
What is the electric potential at the center of a hollow metal sphere of outside diameter 14. cm which holds a net charge of 3.3 muC
A 25 kg box is released from rest on a frictionless ramp making an angle of 42o with the horizontal. Determine the normal force on the box
A clay vase on a potter's wheel experiences an angular acceleration of 8.21 rad/s2 due to the application of a 17.7-N m net torque. Find the total moment of inertia of the vase
A block is in equilibrium on a frictionless incline plane due to a tension force from a string that is wrapped around a pulley, find the masses m1 and m2 of the blocks
Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 14.9 m/s toward the east, What was the initial speed of the northward-moving vehicle
A railroad car of mass 2.1 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
you apply a potential difference of 4.5 volts between the ends of a wire that is 2.5 m in length and .654mm in radius. What length of nichrome wire will you use
A step-down transformer is used for recharging the batteries of portable devices. find the power delivered to the CD player
A boy is on a Ferris wheel, which takes him in a vertical circle of radius 7.6 m once every 15.0 s. What is the angular speed of the Ferris wheel
The specific heat of granite is 0.80 kJ/kg x C. If 106 MJ of heat are added to a 100-kg granite statue of James Prescott Joule that is originally at 18 degrees C
You are designing a small coil (called a search coil) to measure magnetic fields. It is to have a diameter of 3.80 cm, How many turns should the coil have
A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 790-kg car traveling with a velocity of +2.40 m/s. What is the final velocity of each vehicle
Consider an ideal gas at 27 degree C and 1 atm. To get some idea how close these molecules are to each other, What is the length of an edge of each cube if adgacent cubes touch but not overlap
You're convinced the opera is almost over because of the large women singing a loud vibrato. What is the power coming from her voice
A potential difference of 5.80 V will be applied to a 35.00 m length of 18-gauge tungsten wire, Calculate the rate at which thermal energy will appear in the wire
A 3.13{\rm k \Omega} resistor is connected to a generator with a maximum voltage of 131{\rm V} . Find average power, and maximum power
Consider a solid sphere of radius 15 cm, at a temperature of 68 degrees Celsius. What is the power radiated (in watts) by the sphere
A step-up transformer has 26 turns on the primary coil and 770 turns on the secondary coil. what input current and voltage are needed
A circus clown weighing 175 pounds is fired from a cannon at 50 degrees above the horizontal. What was the initial velocity of the clown